/*************************************************************************
** Copyright (C) 2014  Mario Marquez <maqzma@gmail.com>.
**
** This program is free software: you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation, either version 2 of the License, or
** (at your option) any later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program.  If not, see <http://www.gnu.org/licenses/>.
*************************************************************************/

#include "Observable.h"

#include "Observer.h"

// WARNING: Uncomment to disable assertions.
// #define NDEBUG

#include <cassert>

void Observable::addObserver(Observer *observer)
{
    assert(observer != nullptr);

    _observers.push_back(observer);
}

void Observable::removeObserver(Observer *observer)
{
    assert(observer != nullptr);

    _observers.remove(observer);
}

const Observable::ObserverList &Observable::observers() const
{
    return _observers;
}

void Observable::notify(const UpdateInfo &info)
{
    for (Observer *observer : _observers) {
        observer->update(this, info);
    }
}
